11 lines
		
	
	
		
			308 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			308 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include <sys/types.h>
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int main(int argc, char **argv)
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{
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  /* Cause a compile-time error if off_t is smaller than 64 bits */
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#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
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  int off_t_is_large[ (LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1 ];  
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  return 0;
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}
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